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Cruise ships and oil tankers may be sailing through ice-free waters of the Arctic as early as 2054, according to a new study that narrows to a handful of years the uncertainty of when this climate-change milestone will occur. Previous studies have pegged it to everywhere between 2015 and 2100.

on July 16, 2013 Source: NBC NEWS

Word of the Day

ambivalentambivalent/æm ˈbɪ və lənt
/
(s) uncertain or unable to decide about what course to follow
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